<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="myDiv"></div>
<script src="./sleep_3000.js"></script>
<style>
    div {
        width: 120px;
        height: 120px;
        background: blue;
    }
</style>
<script src="./sleep_5000.js"></script>
<link rel="stylesheet" href="./draw_red.css">
</body>
</html>